California earthquakes

M1.5 earthquake 3km SSW of Calimesa, CA

A magnitude 1.5 earthquake struck 3km SSW of Calimesa, CA on Tue, Mar 2, 2021, 5:29 PM PST (01:29 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.5 15km NE of Indio, CA. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-03-03 01:29:50 UTC
Depth
12.2 km (7.6 mi), shallow
Epicenter
33.962° N, 117.071° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
30°
Stations used
75

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 151 in the 60 days after this one and 59 in the 30 days before it.

After

The first 60 of 151.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39807568. Read Mon, Oct 5, 2026, 7:02 AM UTC.